The sorption properties of carbon nanotubes modified with tetraphenylmethylenediphosphine dioxide in nitric acid media

被引：9

作者：

Turanov, A. N. ^{[1
]}

Karandashev, V. K. ^{[2
]}

Evseeva, N. K. ^{[1
]}

Kolesnikov, N. N. ^{[1
]}

Borisenko, D. N. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Oblast, Russia

[2] Russian Acad Sci, Inst Microelect Technol & Ultra High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2008年 / 82卷 / 13期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/S0036024408130116

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The distribution of microamounts of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y nitrates between aqueous solutions of HNO3 and multiwalled carbon nanotubes noncovalently modified with tetraphenylmethylenediphosphine dioxide (L) was considered depending on the concentration of HNO3 in the aqueous phase and L in the sorbent phase. Ln(III) ions were shown to pass to the sorbent phase in the form of solvated nitrates Ln(NO3)(3)L-3. The effectiveness of the extraction of such complexes decreases along the series of rare-earth metals as the atomic number of the element in the Periodic Table increases.

引用

页码：2223 / 2226

页数：4

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